Erekir tech tree tweaks

core/src/mindustry/content/Blocks.java

@@ -2181,6 +2181,7 @@ public class Blocks{
             hasLiquids = true;
             outputLiquid = new LiquidStack(Liquids.water, 5f / 60f / 9f);
             liquidCapacity = 20f;
+            researchCostMultiplier = 0.2f;
         }};
 
         //TODO rename
@@ -2386,6 +2387,7 @@ public class Blocks{
             tier = 4;
             size = 2;
             range = 4;
+            researchCostMultiplier = 0.2f;
 
             consumes.liquid(Liquids.hydrogen, 0.25f / 60f).boost();
         }};

core/src/mindustry/content/ErekirTechTree.java

@@ -168,7 +168,7 @@ public class ErekirTechTree{
                 });
             });
 
-            node(breach, () -> {
+            node(breach, Seq.with(new Research(siliconArcFurnace)), () -> {
                 node(berylliumWall, () -> {
                     node(berylliumWallLarge, () -> {
 

core/src/mindustry/content/UnitTypes.java

@@ -2702,6 +2702,7 @@ public class UnitTypes{
             lowAltitude = false;
             mineWalls = true;
             mineFloor = false;
+            mineHardnessScaling = false;
             flying = true;
             mineSpeed = 4f;
             mineTier = 4;
@@ -2763,6 +2764,7 @@ public class UnitTypes{
             mineWalls = true;
             targetAir = false;
             mineFloor = false;
+            mineHardnessScaling = false;
             mineSpeed = 5f;
             mineTier = 4;
             buildSpeed = 1.4f;
@@ -2822,6 +2824,7 @@ public class UnitTypes{
             targetAir = false;
             mineWalls = true;
             mineFloor = false;
+            mineHardnessScaling = false;
             mineSpeed = 6f;
             mineTier = 4;
             buildSpeed = 2f;

core/src/mindustry/entities/comp/MinerComp.java

@@ -89,13 +89,13 @@ abstract class MinerComp implements Itemsc, Posc, Teamc, Rotc, Drawc{
             mineTile = null;
             mineTimer = 0f;
         }else if(mining() && item != null){
-            mineTimer += Time.delta *type.mineSpeed;
+            mineTimer += Time.delta * type.mineSpeed;
 
             if(Mathf.chance(0.06 * Time.delta)){
                 Fx.pulverizeSmall.at(mineTile.worldx() + Mathf.range(tilesize / 2f), mineTile.worldy() + Mathf.range(tilesize / 2f), 0f, item.color);
             }
 
-            if(mineTimer >= 50f + item.hardness*15f){
+            if(mineTimer >= 50f + (type.mineHardnessScaling ? item.hardness*15f : 15f)){
                 mineTimer = 0;
 
                 if(state.rules.sector != null && team() == state.rules.defaultTeam) state.rules.sector.info.handleProduction(item, 1);

core/src/mindustry/type/UnitType.java

@@ -128,6 +128,7 @@ public class UnitType extends UnlockableContent{
     public AmmoType ammoType = new ItemAmmoType(Items.copper);
     public int mineTier = -1;
     public boolean mineWalls = false, mineFloor = true;
+    public boolean mineHardnessScaling = true;
     public float buildSpeed = -1f, mineSpeed = 1f;
     public Sound mineSound = Sounds.minebeam;
     public float mineSoundVolume = 0.6f;